发明授权
- 专利标题: Bellows device
- 专利标题(中): 波纹管装置
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申请号: US640324申请日: 1984-08-13
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公开(公告)号: US4585913A公开(公告)日: 1986-04-29
- 发明人: Mitsumasa Yorita
- 申请人: Mitsumasa Yorita
- 申请人地址: JPX Tokyo
- 专利权人: Mitsubishi Denki Kabushiki Kaisha
- 当前专利权人: Mitsubishi Denki Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX58-171585 19830917
- 主分类号: F16J3/04
- IPC分类号: F16J3/04 ; F16J15/52 ; H01H33/662 ; H01H33/66 ; F16L11/00 ; F16L21/00
摘要:
A bellows device having a plurality of recesses and ridges in the direction of expansion and contraction is used for a movable part of a vacuum switch tube. The thickness of an middle part in the direction of expansion and contraction is 1.2 times or more than the thickness of a part placed adjacent the middle part. The middle part has three or more ridges.
公开/授权文献
- US5685399A Hydraulic brake slack adjuster 公开/授权日:1997-11-11
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